Rename the console entry of elasticdl_client package to elasticdl (#2099)

* Rename the script entry of elasticdl_client to elasticdl

* Remove the dependency between main package and elasticdl_client package.

Author: brightcoder01

setup.py

@@ -52,7 +52,4 @@
             "go/pkg/kernel/capi/*",
         ]
     },
-    entry_points={
-        "console_scripts": ["elasticdl=elasticdl.python.elasticdl.client:main"]
-    },
 )

setup_client.py

@@ -26,11 +26,5 @@
     python_requires=">=3.5",
     packages=find_packages(include=["elasticdl_client*"]),
     package_data={"": ["requirements.txt"]},
-    # TODO(brightcoder01): Use `elasticdl_client` as the binary name
-    # temporarily. After we move all the functinality from main package
-    # to elasticdl_client package, we will rename the binary name to
-    # `elasticdl` and then remove the entry_points in main package.
-    entry_points={
-        "console_scripts": ["elasticdl_client=elasticdl_client.main:main"]
-    },
+    entry_points={"console_scripts": ["elasticdl=elasticdl_client.main:main"]},
 )